Finding the Fourth Proportional to 2,645.85, 3,967.49 and 796.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,645.85 : 3,967.49 = 796.62 : x
2. Step 2: Convert to fraction form
   2,645.85/3,967.49 = 796.62/x
3. Step 3: Cross multiply
   2,645.85x = 3,967.49 × 796.62
4. Step 4: Simplify right side
   2,645.85x = 3,160,583.88
5. Step 5: Solve for x
   x = 3,160,583.88/2,645.85
6. Step 6: Final answer
   x = 1,194.54